Childhood Vaccination
Conditions
Keywords
immunization, vaccination, immunization information system, immunization registry, reminder / recall
Brief summary
The objective of this study was to assess the relative effectiveness of reminder/recall strategies among children who live in an urban area targeting alternative age-specific milestones.
Interventions
BEHAVIORALChildhood vaccination reminder / recall notification
Sponsors
Centers for Disease Control and Prevention
University of Michigan
Study design
Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
HEALTH_SERVICES_RESEARCH
Masking
SINGLE (Subject)
Eligibility
Sex/Gender
ALL
Age
7 Months to 19 Months
Healthy volunteers
No
Inclusion criteria
* 7 and 19 month recall groups: children not up to date for at least one vaccination at the time of notification * 12 month reminder group: 12 months of age at time of notification * Hib vaccination series was not assessed due to a vaccine shortage
Exclusion criteria
* Children were ineligible for notifications if they were designated in the Michigan Care Improvement Registry (MCIR)as having died, documented previously as having moved out of the jurisdiction (Moved or Gone Elsewhere (MOGE)), opted out of MCIR by their parent, or if they had been previously mailed for MCIR reminder/recall activity in the prior 60 days.
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| new immunization doses | within 60 days of reminder notification | Receipt of 1 or more childhood vaccinations with administration date following reminder notification date |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| Cost of vaccination reminder | During the time of reminder notification preparation and mailing and approximately 1 month following mailing | Estimated personnel costs to generate reminder notifications, print, fold / stuff envelopes and follow up on undeliverable notifications |
| historical immunization doses | within 60 days of reminder notification | One or more vaccination recorded with the date of administration prior to the reminder notification date |
| waived doses | within 60 days of reminder notification | One or more immunization waiver (non-administration) recorded with the date following the date of reminder notification |
Countries
United States
Outcome results
None listed